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Subsequent Events (Details) | Apr. 26, 2017 $ / shares | Jul. 19, 2016 | Apr. 20, 2017 USD ($)
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Subsequent Event [Line Items] |  |  |
Period for share repurchase program |  | 1 year |
Share repurchase plan expiration date |  | Aug. 07, 2017 |
Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Dividends, declared date | Apr. 26, 2017 |  |
Dividends per share amount | $ / shares | $ 0.18 |  |
Dividends, date to be paid | May 24, 2017 |  |
Dividends, date of record | May 10, 2017 |  |
Subsequent Event [Member] | Scenario, Plan [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Stock split description | On April 26, 2017, the Company announced that its Board of Directors approved a split of its common shares on a three-for-two basis, pending approval by its shareholders at the Company's Annual and Special Meeting of Shareholders of Waste Connections to be held on May 23, 2017. Following shareholder approval of the share split, the Company expects that shareholders of record on June 7, 2017, will receive from the Company's transfer agent on June 16, 2017, one additional common share for every two common shares held. |  |
Stockholders equity stock conversion ratio | 1.5 |  |
Senior Notes [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Debt principal amount | $ |  |  | $ 400,000,000

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